#import <Foundation/Foundation.h>
@implementation NSDictionary (Log)
- (NSString *)descriptionWithLocale:(id)locale
{
      NSMutableString *string = [NSMutableString string];
       
      // 开头有个{
      [string appendString:@"{\n"];
       
      // 遍历所有的键值对
      [self enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
            [string appendFormat:@"\t%@", key];
            [string appendString:@" : "];
            [string appendFormat:@"%@,\n", obj];
          }];
       
      // 结尾有个}
      [string appendString:@"}"];
       
      // 查找最后一个逗号
      NSRange range = [string rangeOfString:@"," options:NSBackwardsSearch];
      if (range.location != NSNotFound)
            [string deleteCharactersInRange:range];
       
      return string;
}
@end
 
@implementation NSArray (Log)
 
- (NSString *)descriptionWithLocale:(id)locale
{
      NSMutableString *string = [NSMutableString string];
       
      // 开头有个[
      [string appendString:@"[\n"];
       
      // 遍历所有的元素
      [self enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
            [string appendFormat:@"\t%@,\n", obj];
          }];
  
       
      // 结尾有个]
      [string appendString:@"]"];
       
      // 查找最后一个逗号
      NSRange range = [string rangeOfString:@"," options:NSBackwardsSearch];
      if (range.location != NSNotFound)
            [string deleteCharactersInRange:range];
       
      return string;
}
@end
